CNN Money: Top business headlines for May 14

NEW YORK (CNN) -- CNN Money's Maribel Aber has your top business and financial news on this Tuesday, May 14.

Help your parents get home careThe vast majority of Americans want to live at home for as long as possible: Nearly 90% of people over the age of 65 said so in a 2010 AARP survey. And with assisted living costing more than $40,000 a year on average, staying put can also save money. But the physical and medical problems that go hand in hand with aging can make home life difficult.

How startups can get cheap office spaceIf you're running your company from your kitchen table, you probably wish you could get out of the house and find more professional digs. But lining up space in an office building can be pricey. Melissa Thompson, veteran of a string of startups, recently launched an online counseling service called TalkSession out of her New York City apartment. Based on that experience, the Columbia MBA advises: "Don't code where you cook!"

Amazon gives away 'tens of millions' of dollars in 'coins'If you own a Kindle Fire, you're now $5 richer - sort of. Amazon on Monday rolled out Amazon Coins, a virtual currency for Kindle Fire, by giving all registered users of the device 500 free coins, each of which is valued at $0.01. The currency, which Amazon first teased in February, can currently be used to buy games, apps and in-app purchases.

McDonald's unveils new Quarter Pounders, new bacon
As BurgerBusiness.com reported last week, McDonald's has removed its Angus Third Pounders. As this site also reported, new Quarter Pounder burgers will fill the void. In an exclusive interview with BurgerBusiness.com today, Greg Watson, SVP of McDonald's USA's Menu Innovation Team, detailed the plan, which involves converting two of the 5.33-oz.-patty Angus builds to 4-oz.-patty Quarter Pounders while also creating a new third QP (the Habanero Ranch). All three of the new Quarter Pounders were tested last fall in California. McDonald's also is introducing a new thick-cut bacon for these and other items.